417 Kirby Ct, Walnut Creek, CA 94598 Property Records

Contra Costa County property record for 417 Kirby Ct, Walnut Creek, CA 94598

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 3,138 sqft · built 1972
Lot Size	0.248 acres (10,800 sqft)
Owner	2 Company Names on Record
Last Sale	$1,230,000 (Sep 2005)
Tax Bill	$19,356 (2025)
Deeds & Mortgages	Jul 2026 Transfer Oct 2017 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`135-171-012-2`

Property Details

APN / Parcel Number

Primary APN	`135-171-012-2`
Alternative APN	`135-171-012`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	3,138 sqft Living Area
Gross Area	3,877 sqft
1st Floor Area	1,982 sqft
2nd Floor Area	1,156 sqft

Exterior

Year Built	Built 1972
Effective Year Built	Effective 1973
Exterior Material	Stucco
Roof Material	Tile
Lot Area	10,800 sqft (0.248 acres)
Garage Type	Attached
Garage Area	739 sqft
Parking Spaces	3 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	417 KIRBY CT
City	WALNUT CREEK
State	CA
Zip	94598-3907
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	TRACT 4271 LOT 20
Legal Subdivision	SUBDIVISION 4271
Legal Tract	4271
Legal Lot Number	20
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2001
Census Tract	355302

Owner

Source: Contra Costa County records, as of July 30, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	417 KIRBY CT, WALNUT CREEK, CA 94598-3907
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Jul 23, 2026	Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT
Oct 3, 2017	Deed of Trust, Mortgage · Line of Credit UNIVEST BANK & TRUST CO
Jan 26, 2021	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 22, 2005 · Amount on Record
Deed Sale	Sep 22, 2005 · Amount on Record
Deed Document Number	2005360967
Last Transfer Date	Jul 15, 2026
Transfer Doc	0000077754
Record Updated	Oct 29, 2026

July 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 23, 2026
Property Address	417 KIRBY CT, WALNUT CREEK, CA 94598-3907
Document Number	0000077754
Instrument Date	Jul 15, 2026
Instrument	202677754
Transaction Type	Transfer
Record Updated	Aug 31, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	417 KIRBY CT, WALNUT CREEK, CA 94598-3907

October 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	417 KIRBY CT, WALNUT CREEK, CA 94598-3907
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	MEMBERS TITLE CO OF CA

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000180843
Date	Oct 3, 2017
Instrument	2017-180843

Lender

Name	UNIVEST BANK & TRUST CO
Type	Bank
Address	FLINT, MI 48501

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	179 Months
Due	Sep 29, 2032

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	417 KIRBY CT, WALNUT CREEK, CA 94598-3907
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ORANGE COAST TITLE SAN JOSE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	417 KIRBY BCT, WALNUT CREEK, CA 94598

Mortgage

Document Number	0000024010
Date	Jan 26, 2021
Instrument	2021-024010

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2051

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Walnut Creek City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,714,502 (+2%) Land $975,733 Building $738,769
2025	$19,356.00 (+3.96%) Homeowner's exemption	$1,680,885 (+4.04%) Land $956,601 Building $724,284
2023	$18,619.00 (+0.88%) Homeowner's exemption	$1,615,616 Land $919,456 Building $696,160
2022	$18,457.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 45% of the US · lower than 73% of California
Wildfire Likelihood	0.08% annual chance
Exposure	Indirect within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 441 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Cable	1,500 / 50
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Sonic Telecom.

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